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Extract from the Register of European Patents

EP About this file: EP2531298

EP2531298 - A BUOYANT MULTIFUNCTIONAL COMPOSITE MATERIAL FOR EFFECTIVE REMOVAL OF ORGANIC COMPOUNDS IN WATER AND WASTEWATER [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  28.06.2019
Database last updated on 15.06.2024
FormerThe patent has been granted
Status updated on  20.07.2018
FormerGrant of patent is intended
Status updated on  15.04.2018
FormerExamination is in progress
Status updated on  27.10.2017
Most recent event   Tooltip01.07.2022Lapse of the patent in a contracting state
New state(s): MK		published on 03.08.2022  [2022/31]
Applicant(s)For all designated states
National University of Singapore
21 Lower Kent Ridge Road
Singapore 119077 / SG
[2012/50]
Inventor(s)01 / BAI, Renbi
c/o National University of Singapore
Faculty of Engineering
Division of Environmental Science&Engineering
21 Lower Kent Ridge Road
Singapore 119077 / SG
02 / HAN, Hui
c/o National University of Singapore
Faculty of Engineering
Division of Environmental Science&Engineering
21 Lower Kent Ridge Road
Singapore 119077 / SG
 [2012/50]
Representative(s)Beck Greener LLP
Fulwood House
12 Fulwood Place
London WC1V 6HR / GB
[N/P]
Former [2014/16]Beck Greener
Fulwood House
12 Fulwood Place
London WC1V 6HR / GB
Former [2012/50]Hull, John Philip
Beck Greener Fulwood House 12 Fulwood Place
London WC1V 6HR / GB
Application number, filing date11740123.228.01.2011
[2018/34]
WO2011SG00044
Priority number, dateUS20100300514P02.02.2010         Original published format: US 300514 P
[2012/50]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO2011096893
Date:11.08.2011
Language:EN
[2011/32]
Type: A1 Application with search report 
No.:EP2531298
Date:12.12.2012
Language:EN
The application published by WIPO in one of the EPO official languages on 11.08.2011 takes the place of the publication of the European patent application.
[2012/50]
Type: B1 Patent specification 
No.:EP2531298
Date:22.08.2018
Language:EN
[2018/34]
Search report(s)International search report - published on:AU11.08.2011
(Supplementary) European search report - dispatched on:EP10.09.2013
ClassificationIPC:B01J35/00, B01J37/00
[2012/50]
CPC:
B01J31/06 (EP,US); B01J35/00 (KR); B01J20/18 (EP,US);
B01J20/20 (EP,US); B01J20/26 (KR); B01J20/321 (EP,US);
B01J20/3238 (EP,US); B01J20/324 (EP,US); B01J21/063 (EP,US);
B01J21/18 (EP,US); B01J21/185 (EP,US); B01J35/39 (EP,US);
B01J37/00 (KR); B01J37/0221 (EP,US); B82Y30/00 (EP,US);
C02F1/725 (EP,US); B01J2220/42 (EP,US); C02F1/28 (EP,US);
C02F1/30 (EP,US); C02F2101/308 (EP,US); C02F2101/345 (EP,US);
C02F2303/16 (EP,US); Y02W10/37 (EP,US); Y10T428/2967 (EP,US);
Y10T428/2969 (EP,US); Y10T428/31739 (EP,US); Y10T428/31931 (EP,US);
Y10T428/31938 (EP,US) (-)
Designated contracting statesAL,   AT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HR,   HU,   IE,   IS,   IT,   LI,   LT,   LU,   LV,   MC,   MK,   MT,   NL,   NO,   PL,   PT,   RO,   RS,   SE,   SI,   SK,   SM,   TR [2012/50]
Extension statesBANot yet paid
MENot yet paid
TitleGerman:MULTIFUNKTIONELLES SCHWIMMENDES VERBUNDMATERIAL ZUR EFFEKTIVEN ENTFERNUNG ORGANISCHER VERBINDUNGEN AUS WASSER UND ABWASSER[2012/50]
English:A BUOYANT MULTIFUNCTIONAL COMPOSITE MATERIAL FOR EFFECTIVE REMOVAL OF ORGANIC COMPOUNDS IN WATER AND WASTEWATER[2012/50]
French:MATÉRIAU COMPOSITE MULTIFONCTIONNEL FLOTTANT PERMETTANT D'ÉLIMINER EFFICACEMENT LES COMPOSÉS ORGANIQUES CONTENUS DANS L'EAU ET LES EAUX USÉES[2012/50]
Entry into regional phase25.07.2012National basic fee paid 
25.07.2012Search fee paid 
25.07.2012Designation fee(s) paid 
25.07.2012Examination fee paid 
Examination procedure25.07.2012Examination requested  [2012/50]
26.03.2014Amendment by applicant (claims and/or description)
30.10.2017Despatch of a communication from the examining division (Time limit: M02)
18.12.2017Reply to a communication from the examining division
16.04.2018Communication of intention to grant the patent
10.07.2018Fee for grant paid
10.07.2018Fee for publishing/printing paid
10.07.2018Receipt of the translation of the claim(s)
Divisional application(s)The date of the Examining Division's first communication in respect of the earliest application for which a communication has been issued is  30.10.2017
Opposition(s)23.05.2019No opposition filed within time limit [2019/31]
Fees paidRenewal fee
01.11.2012Renewal fee patent year 03
04.12.2013Renewal fee patent year 04
05.12.2014Renewal fee patent year 05
25.01.2016Renewal fee patent year 06
11.01.2017Renewal fee patent year 07
15.01.2018Renewal fee patent year 08
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU28.01.2011
AL22.08.2018
AT22.08.2018
CY22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
MK22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
TR22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
PT22.12.2018
IE28.01.2019
LU28.01.2019
MT28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
[2022/31]
Former [2021/32]HU28.01.2011
AL22.08.2018
AT22.08.2018
CY22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
TR22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
PT22.12.2018
IE28.01.2019
LU28.01.2019
MT28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2021/26]AL22.08.2018
AT22.08.2018
CY22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
TR22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
PT22.12.2018
IE28.01.2019
LU28.01.2019
MT28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2020/29]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
TR22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
PT22.12.2018
IE28.01.2019
LU28.01.2019
MT28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2020/17]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
TR22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
IE28.01.2019
LU28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2020/09]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
IE28.01.2019
LU28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2020/04]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
LU28.01.2019
BE31.01.2019
CH31.01.2019
LI31.01.2019
Former [2019/51]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
LU28.01.2019
BE31.01.2019
Former [2019/44]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
LU28.01.2019
Former [2019/40]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
MC22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/37]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SI22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/26]AL22.08.2018
AT22.08.2018
CZ22.08.2018
DK22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SK22.08.2018
SM22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/23]AL22.08.2018
AT22.08.2018
CZ22.08.2018
EE22.08.2018
ES22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
SK22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/22]AL22.08.2018
CZ22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
PL22.08.2018
RO22.08.2018
RS22.08.2018
SE22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/21]AL22.08.2018
FI22.08.2018
HR22.08.2018
IT22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
RS22.08.2018
SE22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/12]AL22.08.2018
FI22.08.2018
HR22.08.2018
LT22.08.2018
LV22.08.2018
NL22.08.2018
RS22.08.2018
SE22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/11]FI22.08.2018
HR22.08.2018
LT22.08.2018
NL22.08.2018
RS22.08.2018
SE22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/10]FI22.08.2018
LT22.08.2018
NL22.08.2018
RS22.08.2018
SE22.08.2018
BG22.11.2018
NO22.11.2018
GR23.11.2018
IS22.12.2018
Former [2019/09]FI22.08.2018
LT22.08.2018
NL22.08.2018
NO22.11.2018
IS22.12.2018
Former [2019/08]FI22.08.2018
LT22.08.2018
NO22.11.2018
IS22.12.2018
Former [2019/07]LT22.08.2018
Documents cited:Search[XY]US2005191505  (AKARSU MURAT [DE], et al) [X] 1-15 * see paragraphs 0071, 0079, 0093, 0112, 0127-0129; 0141-01433; examples 1-10; claims 1-56 * [Y] 1-15;
 [XY]US2007149397  (TSENG YAO-HSUAN [TW], et al) [X] 1-15 * see examples 1-3; comparative example 1; claims 1-17. * [Y] 1-15;
 [XY]EP1681370  (LEIBNIZ INST NEUE MATERIALIEN [DE]) [X] 1-15 * see paragraphs 0009,0068-0075; examples 1-9; claims 11-23. * [Y] 1-15;
 [XY]  - HIROSHI TAODA, "DEVELOPMENT AND APPLICATION OF PHOTOCATALYTIC TECHNOLOGY", SYNTHESIOLOGY-ENGLISH EDITION, (20091231), vol. 1, no. 4, pages 263 - 272, XP002708432 [X] 1-15 * see point 4.1.3 "Development of photocatalytic that can be used in textiles and plastics" and figure 2 * [Y] 1-15

DOI:   http://dx.doi.org/10.5571/syntheng.1.263
 [XY]  - Azzaryiatul Hafizah Amar, "Development of a simple dip coating method for immobilization of TiO2 onto solid supports using direct TiO2 powder (Thesis)", (20090121), pages i - 24, URL: http://eprints.usm.my/7847/1/DEVELOPMENT_OF_A_SIMPLE_DIP_COATING_METHOD_FOR_IMMOBILIZATION_OF_TiO2_ONTO_SOLID_SUPPORTS_USING_DIRECT_TiO2_POWDER.pdf, (20130801), XP002708433 [X] 1-15 * see pages xx-xxi, 15. * [Y] 1-15
 [Y]  - EVA S. LONCAR ET AL., "DETERMINATION OF THE PHOTOCATALYTIC ACTIVITY OF TiO2 COATINGS ON CLAY ROOFING TILE SUBSTRATES-METHYLENE BLUE AS MODEL POLLUTANT", Academic Journals database, (20091231), pages 125 - 133, URL: http://www.journaldatabase.org/articles/determination_photocatalytic_activity.html, (20130801), XP002708456 [Y] 1-15 * the whole document *

DOI:   http://dx.doi.org/10.2298/APT0940125L
 [Y]  - SZE M. LAM ET AL., "RECENT PATENTS ON PHOTOCATALYSIS OVER NANOSIZED TITANIUM DIOXIDE", (20081231), pages 209 - 219, Recent Patents on Chemical Engineering, URL: http://www.benthamscience.com/cheng/samples/cheng1-3.tar/0004CHENG.pdf, (20130801), XP002708457 [Y] 1-15 * the whole document *

DOI:   http://dx.doi.org/10.2174/2211334710801030209
 [Y]  - GUAN-TING PAN ET AL., "Immobilization of TiO2 onto nonwoven fiber textile by silica sol: photocatalytic activity and duradibility studies", vol. 16, no. 6, (20061231), pages 413 - 420, JOURNAL OF ENVIRONMENTAL ENGINEERING AND MANAGEMENT, URL: http://ser.cienve.org.tw/download/16-6/jeeam16-6_413-420.pdf, (20130801), XP002708458 [Y] 1-15 * the whole document *
International search[A]US5981426  (LANGFORD COOPER H [CA], et al);
 [A]US6531100  (OGATA SHIRO [JP], et al);
 [A]US2005011827  (KOSLOW EVAN E [US]);
 [X]US2007149397  (TSENG YAO-HSUAN [TW], et al)
Examination   - FABIYI M E ET AL, "PHOTOCATALYTIC MINERALISATION OF METHYLENE BLUE USING BUOYANT TIO2-COATED POLYSTYRENE BEADS", JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY, A: CHEMIS, ELSEVIER SEQUOIA, LAUSANNE, CH, (20000101), vol. 132, no. 1/02, doi:10.1016/S1010-6030(99)00250-6, ISSN 1010-6030, pages 121 - 128, XP009058941

DOI:   http://dx.doi.org/10.1016/S1010-6030(99)00250-6
    - SHIFU C ET AL, "Photocatalytic degradation of organophosphorus pesticides using floating photocatalyst TiO"2.SiO"2/beads by sunlight", SOLAR ENE, PERGAMON PRESS. OXFORD, GB, (20050701), vol. 79, no. 1, doi:10.1016/J.SOLENER.2004.10.006, ISSN 0038-092X, pages 1 - 9, XP004942366

DOI:   http://dx.doi.org/10.1016/j.solener.2004.10.006
    - F. Magalhães ET AL, "Floating photocatalysts based on TiO2 grafted on expanded polystyrene beads for the solar degradation of dyes", SOLAR ENERGY., GB, (20090901), vol. 83, no. 9, doi:10.1016/j.solener.2009.04.005, ISSN 0038-092X, pages 1521 - 1526, XP055418274

DOI:   http://dx.doi.org/10.1016/j.solener.2009.04.005
by applicant   - Y. LI et al., Water Res., (20060000), vol. 40, pages 1119 - 1125
    - X. WANG et al., J. Hazard. Mater., (20090000), vol. 169, pages 1061 - 1067
    - M.E. BABYYI et al., "PHOTOCATALYTIC MINERALISATION OF METHYLENE BLUE SING BUOYANT Ti0 -COATED POLYSTYRENE BEAD", JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY; A. CHEMISTRY, (20000000), vol. 132, pages 121 - 128
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.